Method testBound

test/IECoreScene/PointsPrimitive.py:160–252

( self )

		self.assertEqual( p3.topologyHash(), p2.topologyHash() )

	def testBound( self ) :

		p = IECoreScene.PointsPrimitive( 2 )
		self.assertEqual( p.bound(), imath.Box3f() )

		p["P"] = IECoreScene.PrimitiveVariable(
			IECoreScene.PrimitiveVariable.Interpolation.Vertex,
			IECore.V3fVectorData( [ imath.V3f( 1, 2, 3 ), imath.V3f( 12, 13, 14 ) ] )
		)

		# when no width is specified, it defaults to 1
		self.assertEqual(
			p.bound(),
			imath.Box3f(
				imath.V3f( 1, 2, 3 ) - imath.V3f( 1 ) / 2.0,
				imath.V3f( 12, 13, 14 ) + imath.V3f( 1 ) / 2.0
			)
		)

		# constantwidth overrides the default
		p["constantwidth"] = IECoreScene.PrimitiveVariable( IECoreScene.PrimitiveVariable.Interpolation.Constant, 2.0 )

		self.assertEqual(
			p.bound(),
			imath.Box3f(
				imath.V3f( 1, 2, 3 ) - imath.V3f( 2 ) / 2.0,
				imath.V3f( 12, 13, 14 ) + imath.V3f( 2 ) / 2.0
			)
		)

		# vertex width works too, and multiplies with constantwidth

		p["width"] = IECoreScene.PrimitiveVariable( IECoreScene.PrimitiveVariable.Interpolation.Vertex, IECore.FloatVectorData( [ 2, 4 ] ) )

		self.assertEqual(
			p.bound(),
			imath.Box3f(
				imath.V3f( 1, 2, 3 ) - imath.V3f( 2 * 2 ) / 2.0,
				imath.V3f( 12, 13, 14 ) + imath.V3f( 2 * 4 ) / 2.0
			)
		)

		# aspect ratio should have no effect whatsoever if type is not "patch"

		p["patchaspectratio"] = IECoreScene.PrimitiveVariable( IECoreScene.PrimitiveVariable.Interpolation.Constant, 2.0 )
		del p["width"]
		del p["constantwidth"]

		self.assertEqual(
			p.bound(),
			imath.Box3f(
				imath.V3f( 1, 2, 3 ) - imath.V3f( 1 ) / 2.0,
				imath.V3f( 12, 13, 14 ) + imath.V3f( 1 ) / 2.0
			)
		)

		# but it should take effect when type is "patch"